Muc-Off Crank Preload Ring - Iridescent MFPN=11378 Curved design allows rear cables

Curved design allows rear cables to be tucked out of view behind plate

8 Color Black Waterproof No Defined Color Black Attachment Method Straps

Two-layer protections

but with additional padding

5-75mm travel) 475lb Black

Muc-Off Crank Preload Ring - Iridescent MFPN=11378 Curved design allows rear cablesThe Muc Off Crank Preload Ring is a super durable precision CNC machined 7075 piece of hardware. It allows you to precisely adjust the preload tension on the bottom bracket bearings. What does this do? It helps to remove the side to side play and slack in thru spindle bottom brackets to help maximize the life of your bottom bracket bearing as well as giving you a creak free ride. It fits onto the left crank arm of any mountain gravel or road bikes